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Biol 189 Final Exam with correct answers
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Biol 189 Final Exam with correctanswers
ATP - correct answer -is the energy currency of cells
genetics - correct answer -The study of physical inheritance among living things is
A, T, G, or C - correct answer -The information used to make proteins is encoded by the four bases
The result of an error in anaphase that failed to separate a pair of sister chromatids would result in -
correct answer -One cell would have an extra chromosome, and one cell would lack a chromosome
are aligned at the equator of a cell during metaphase - correct answer -Chromosomes
during prophase - correct answer -The chromosomes become visible and the nucleus starts to break up
during anaphase - correct answer -Sister chromatids are separating from each other
How do daughter cells at the end of mitosis and cytokinesis compare with the parent cell before DNA
replication occurs? - correct answer -The daughter cells have the same number of chromosomes and the
same amount of DNA
an organism that would reproduce by binary fission - correct answer -Bacteria
zygote - correct answer -The fertilization of an egg by a sperm produces a cell called
The products of meiosis - correct answer -four haploid cells
What is the result of recombination (crossing over) during meiosis? - correct answer -It creates
chromosomes that are a new combination of paternal and maternal material
, What is the result of independent assortment during meiosis? - correct answer -Genetically diverse
gametes are produced
An autosome - correct answer -is one of the non-sex chromosomes
A human egg - correct answer -contains 22 autosomes and one X chromosome
phenotype - correct answer -is the term for an observable trait of an organism
Mendel crossed true - correct answer -breeding pea plants and found?- the dominant trait always
appeared in the F1 generation, but it appeared in a 3:1 ratio of dominant to recessive in the F2
generation
The Law of Segregation - correct answer -states that differing characters in organisms result from two
alleles that separate in gamete formation, such that each gamete gets only one of the two alleles
homozygous - correct answer -When two identical alleles for a character are present, the genotype is
referred to as
Let S = smooth pea and s = wrinkled pea Y = yellow pea and y = green pea. What are the different
possible genotypes of the gametes produced by a plant that is heterozygous for both characters? -
correct answer -SY, Sy, sY, sy
Crossing two pink snapdragons yields some seeds that produce red-flowering plants, some seeds that
produce white-flowering plants and some seeds that produce pink-flowering plants. If this trait operates
by incomplete dominance and the allele R represents red flowers and the allele r represents white
flowers, what genotype would a plant with pink flowers have for this trait? - correct answer -Rr
If a person is unable to clot blood properly - correct answer -platelets are lacking
A heart murmur would be associated with - correct answer -the malfunction of the
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